/**
Filename: pwdTester.js
Last Modified: 11/13/2010

Term of Use:
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
*/

$.fn.passwordStrength = function(options){
	return this.each(function(){
		var that = this;that.opts = {};
		that.opts = $.extend({}, $.fn.passwordStrength.defaults, options);

		that.div = $(that.opts.targetDiv);
		that.defaultClass = that.div.attr('class');

		that.percents = (that.opts.classes.length) ? 100 / that.opts.classes.length : 100;

		 v = $(this)
		.keyup(function(){
			if(typeof el == "undefined")
				this.el = $(this);
			var s = getPasswordStrength (this.value);
			var p = this.percents;
			var t = Math.floor(s/p);

			if( 100 <= s )
				t = this.opts.classes.length - 1;

			this.div
				.removeAttr('class')
				.addClass(this.defaultClass)
				.addClass(this.opts.classes[t]);
		});
	});

	function getPasswordStrength(H){
		var D=(H.length);
		if(D>5){
			D=5
		}
		var F=H.replace(/[0-9]/g,"");
		var G=(H.length-F.length);
		if(G>3){G=3}
		var A=H.replace(/\W/g,"");
		var C=(H.length-A.length);
		if(C>3){C=3}
		var B=H.replace(/[A-Z]/g,"");
		var I=(H.length-B.length);
		if(I>3){I=3}
		var E=((D*10)-20)+(G*10)+(C*15)+(I*10);
		if(E<0){E=0}
		if(E>100){E=100}
		return E
	}
};